Effingham County IL United States
| County FIPS | 17049 |
| Largest City | Effingham |
| State | Illinois |
| Latitude | 39.0598 |
| Longitude | -88.5899 |
| Population | 34,522 |
| Density | 72.12 people per square mile |
| Time Zone | America/Chicago |
Median household: $80,404
Median individual: $42,459
Mode: 95.8% White
Median house value: $190,094.0
Median: 40.0 years old
With at least college degree: 26.8%
With STEM degree: 42.8%
Never married: 26.4%
Unemployed: 2.1%
All data comes from the SimpleMaps US Counties Database, 2026.
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